Membership in Editorial Boards:

• 1986-92 Review of the Bulgarian Geological Society
• 1986-94 Geological Map of Bulgaria 1:100 000
• 1988-92 Geologica Balcanica, Sofia
• 1990-95 Occasional Publications Earth Science and Resources Institute, South Carolina, USA
• 1990-92 Mining Journal, Sofia
• 1994- Newsletter of the Balkan and Black Sea Petroleum Association, Sofia
• 1994- Geology and Mineral Resources, Sofia

Membership in Committees and Societies:

• 1961- Fellow of the Bulgarian Geological Society
• 1982- Fellow of the Bulgarian Union of Scientists
• 1985-1988 Member of the Bulgarian National Committee for Geology
• 1986-1989 Member of the Bulgarian National IGCP Committee
• 1994-1996 President of the Balkan and Black Sea Petroleum Association